List of Famous people who are 68

John Marc DeMatteis is an American writer of comic books, television and novels.

John Phillip Preskill is an American theoretical physicist and the Richard P. Feynman Professor of Theoretical Physics at the California Institute of Technology, where he is also the Director of the Institute for Quantum Information and Matter.

Anthony Martin is an Australian actor.

Eric Bogosian is an American actor, playwright, monologuist, novelist, and historian. Descended from Armenian American immigrants, he grew up in Watertown and Woburn, Massachusetts, and attended University of Chicago and Oberlin College. His numerous plays include subUrbia (1994) and the Pulitzer-nominated Talk Radio (1987), both of which were adapted to film by Richard Linklater and Oliver Stone, respectively. He also starred as Arno in the Safdie brothers' critically acclaimed film Uncut Gems (2019).

David Rowland Langford is a British author, editor, and critic, largely active within the science fiction field. He publishes the science fiction fanzine and newsletter Ansible.

Christopher Franke is a German musician and composer. From 1971 to 1987 he was a member of the electronic group Tangerine Dream. Initially a drummer with The Agitation, later renamed Agitation Free, his primary focus eventually shifted to keyboards and synthesizers as the group moved away from its psychedelic rock origins. While he was not the first musician to use an analog sequencer, he was probably the first to turn it into a live performance instrument, thus laying the rhythmic foundation for classic Tangerine Dream pieces and indeed for the whole Berlin school sound.

Mark Warkentien is a Special Assignment Evaluator for the Oklahoma City Thunder. He recently served as the New York Knicks' Director of Player Personnel. He is also the former Vice President of Basketball Operations for the Denver Nuggets, where he won the NBA Executive of the Year Award for the 2008–09 NBA season.

William Chang Suk-ping is a Hong Kong production designer, costume designer and film editor. Along with cinematographer Christopher Doyle, Chang is an important collaborator with Hong Kong film director Wong Kar-wai. He has also collaborated with directors such as Stanley Kwan, Patrick Tam, Yim Ho, Tsui Hark, Jiang Wen and Johnnie To. He is of Shanghainese ancestry.